A.≥0.06MPa B.≥0.10MPa C.≥0.20MPa D.≥0.40MPa
A.0.48MPa B.0.24MPa C.0.12MPa D.0.15MPa
A.4個中間值的算術(shù)平均值 B.6個中間值的算術(shù)平均值 C.8個中間值的算術(shù)平均值 D.全部試樣檢測值的算術(shù)平均值